Nepean Bay Weather Forecast

    • 9
    • 20

    Partly cloudy

    • 8
    • 22

    Partly cloudy

    • 11
    • 30

    Partly cloudy

    • 17
    • 29

    Partly cloudy

    • 10
    • 25

    Mostly sunny

    • 10
    • 23

    Partly cloudy

    • 8
    • 24

    Partly cloudy

Today 1 Dec Kangaroo Island

Partly cloudy. Winds southwesterly 25 to 35 km/h decreasing to 15 to 20 km/h in the late evening.

Investigator Strait Coastal Waters

Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots through the Backstairs Passage in the late afternoon.
Seas
1 to 2 metres, decreasing to 1 metre later in the evening.
1st Swell
West to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A high pressure system near the WA and SA border extends a ridge over SA. The high pressure system is expected to slowly move over SA during Tuesday and be in the Tasman Sea on Wednesday. A low pressure trough will then move across SA during Wednesday and Thursday, followed by another ridge of high pressure.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

December Temperature

Kingscote Airport (7km)

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  • Average December

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Climate (2020–Present)

Kingscote Airport (7km)

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  • Average Low 2020–2025

    9.2 °C

  • Average 2020–2025

    14.7 °C

  • Average High 2020–2025

    21 °C
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